Home / 82,199.04-113,331.38-67,076.32

Finding the Fourth Proportional to 82,199.04, 113,331.38 and 67,076.32

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Solution

The fourth proportional to 82,199.04, 113,331.38 and 67,076.32 is: 92,481.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,199.04 : 113,331.38 = 67,076.32 : x
  2. Step 2: Convert to fraction form
    82,199.04/113,331.38 = 67,076.32/x
  3. Step 3: Cross multiply
    82,199.04x = 113,331.38 × 67,076.32
  4. Step 4: Simplify right side
    82,199.04x = 7,601,851,910.92
  5. Step 5: Solve for x
    x = 7,601,851,910.92/82,199.04
  6. Step 6: Final answer
    x = 92,481.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.